Right now
The most recent data we hold from NOAA arrived 2 minutes ago, and this point is not in it. We record detections, not passes: an absence is not proof that nothing is there.
6 other detections within 20 km in the last 24 hours, the nearest 6 km from here.
This alert expired on 10 September 2026 at 14:00 UTC. It is kept here as a record.
It is the 2nd strongest of the 8 detections recorded within 20 km of this point since 17 March 2026. Another comparable one was recorded here earlier the same day. 4 more were recorded here in the fortnight before it.
What the source measured
NOAA reported: Special Marine Warning issued September 10 at 9:22AM EDT until September 10 at 10:00AM EDT by NWS Key West FL
Nearby, since 17 March 2026
- September 10, 2026 · score 16 · 13.4 km
- March 17, 2026 · score 22 · 15.8 km
How we know
One source: NOAA. Not yet confirmed by a second, independent source.
Our own score for this event is 16 out of 100, at 62 % confidence.
The score is ours, computed from intensity, exposed population and local history — not the source’s.
Computed under scoring rules v4. Rows carrying other versions were judged by different rules and are not directly comparable.
Event Data
| Type | Severe Weather |
| Severity | Medium |
| Calamity Score (ours) | 16 / 100 |
| Our confidence | 62% |
| Coordinates | 24.8590, -80.0720 |
| Nearest City | Homestead (79 km) |
| Impact Tier | minor |
| Timestamp | 2026-09-10T13:22:00.000Z |
| Source | https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.4fa9f6564165376711f5d1c410bdf9bc53f09e02.001.1 |
Score Breakdown
Technical Details
| Event | Special Marine Warning |
| Urgency | Immediate |
| Certainty | Likely |
| AreaDesc | Straits of Florida from Ocean Reef to Craig Key out 20 NM; Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out |
| Headline | Special Marine Warning issued September 10 at 9:22AM EDT until September 10 at 10:00AM EDT by NWS Key West FL |
| Expires | 2026-09-10T10:00:00-04:00 |
| SenderName | NWS Key West FL |
| HasExactCoords | true |
| MergedCount | 2 |
| MergedIds | ["noaa_urn:oid:2.49.0.1.840.0.4fa9f6564165376711f5d1c410bdf9bc53f09e02.001.1","noaa_urn:oid:2.49.0.1.840.0.db6cfeaf1cafb5b5ec753f4a1b2b81c5c0d2bdca.001.1"] |
Safety Information
Always follow official guidance from your local emergency management agency. This platform provides scientific monitoring data and is not a substitute for official warnings. If you are in immediate danger, contact your local emergency number.
Series begins 8 March 2026. Comparisons refer to that period only. Collection gap: 14-26 August 2026.
This data is aggregated algorithmically from scientific sources. Not a replacement for official emergency warnings.
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